4-1自然複習測驗
Authored by 陳耀民 老師
Science
5th Grade
Used 1+ times
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40 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
磁力線的範圍是指磁鐵的磁力作用範圍。
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2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
磁力線的分布密度越高，表示磁場愈強。
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3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
鴿子可以進行方向的辨認是因為牠的體內存有奈米級磁性粒子可以感應到地磁。
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4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
蝙蝠是利用體內的奈米級磁性粒子來辨別障礙物位置，所以能在漆黑的山洞裡快速移動。
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5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
綠蠵龜總能歷經遠距離洄游至產卵處，是因為可以利用地球磁場來導航定位。
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6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
鰻魚幼苗透過感應地磁變化，能在不同地理位置下，游向特定的方向。
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7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
磁鐵的 N 極會把指北針的指北端推斥開，這表示指北針的指針是具有磁性的。
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